Ensemble Learning Approaches for Multi-Class Intrusion Detection Systems for the Internet of Vehicles (IoV): A Comprehensive Survey

Manal Alharthi, Faiza Medjek () and Djamel Djenouri
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Manal Alharthi: School of Computing and Creative Technology, University of The West of England, Bristol BS16 1QY, UK
Faiza Medjek: School of Computing and Creative Technology, University of The West of England, Bristol BS16 1QY, UK
Djamel Djenouri: School of Computing and Creative Technology, University of The West of England, Bristol BS16 1QY, UK

Future Internet, 2025, vol. 17, issue 7, 1-42

Abstract: The emergence of the Internet of Vehicles (IoV) has revolutionized intelligent transportation and communication systems. However, IoV presents many complex and ever-changing security challenges and thus requires robust cybersecurity protocols. This paper comprehensively describes and evaluates ensemble learning approaches for multi-class intrusion detection systems in the IoV environment. The study evaluates several approaches, such as stacking, voting, boosting, and bagging. A comprehensive review of the literature spanning 2020 to 2025 reveals important trends and topics that require further investigation and the relative merits of different ensemble approaches. The NSL-KDD, CICIDS2017, and UNSW-NB15 datasets are widely used to evaluate the performance of Ensemble Learning-Based Intrusion Detection Systems (ELIDS). ELIDS evaluation is usually carried out using some popular performance metrics, including Precision, Accuracy, Recall, F1-score, and Area Under Receiver Operating Characteristic Curve (AUC-ROC), which were used to evaluate and measure the effectiveness of different ensemble learning methods. Given the increasing complexity and frequency of cyber threats in IoV environments, ensemble learning methods such as bagging, boosting, and stacking enhance adaptability and robustness. These methods aggregate multiple learners to improve detection rates, reduce false positives, and ensure more resilient intrusion detection models that can evolve alongside emerging attack patterns.

Keywords: ensemble learning; machine learning; internet of vehicles (IoV); intrusion detection system (IDS); multi-class IDS; vehicular ad hoc networks (VANETs) (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2025
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